. Which of the following is not a use of micro-


A. preparation of medicines (or drugs)

B. preparation of food by photosynthesis

C. recycling of materials in nature

D. increasing the fertility of soil


Best Answer

Answer. B

Some of the micro-organisms are used to preparation of medicines. Some of micro-organisms are used recycling of materials in nature and increasing the fertility of soil. The synthesis of food by photosynthesis takes place in leaves with the help of inorganic materi like carbon-dioxide and water in the presence of sunlight and chlorophyll

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